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Showing content from https://developers.google.com/maps/documentation/javascript/examples/geocoding-simple below:

Geocoding Service | Maps JavaScript API

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This example creates a map along with a text input field and a button. When you click the "geocode" button, the sample sends a geocoding request, then pans the map to the geocoded location.

Read the documentation.

let map: google.maps.Map;
let marker: google.maps.Marker;
let geocoder: google.maps.Geocoder;
let responseDiv: HTMLDivElement;
let response: HTMLPreElement;

function initMap(): void {
  map = new google.maps.Map(document.getElementById("map") as HTMLElement, {
    zoom: 8,
    center: { lat: -34.397, lng: 150.644 },
    mapTypeControl: false,
  });
  geocoder = new google.maps.Geocoder();

  const inputText = document.createElement("input");

  inputText.type = "text";
  inputText.placeholder = "Enter a location";

  const submitButton = document.createElement("input");

  submitButton.type = "button";
  submitButton.value = "Geocode";
  submitButton.classList.add("button", "button-primary");

  const clearButton = document.createElement("input");

  clearButton.type = "button";
  clearButton.value = "Clear";
  clearButton.classList.add("button", "button-secondary");

  response = document.createElement("pre");
  response.id = "response";
  response.innerText = "";

  responseDiv = document.createElement("div");
  responseDiv.id = "response-container";
  responseDiv.appendChild(response);

  const instructionsElement = document.createElement("p");

  instructionsElement.id = "instructions";

  instructionsElement.innerHTML =
    "<strong>Instructions</strong>: Enter an address in the textbox to geocode or click on the map to reverse geocode.";

  map.controls[google.maps.ControlPosition.TOP_LEFT].push(inputText);
  map.controls[google.maps.ControlPosition.TOP_LEFT].push(submitButton);
  map.controls[google.maps.ControlPosition.TOP_LEFT].push(clearButton);
  map.controls[google.maps.ControlPosition.LEFT_TOP].push(instructionsElement);
  map.controls[google.maps.ControlPosition.LEFT_TOP].push(responseDiv);

  marker = new google.maps.Marker({
    map,
  });

  map.addListener("click", (e: google.maps.MapMouseEvent) => {
    geocode({ location: e.latLng });
  });

  submitButton.addEventListener("click", () =>
    geocode({ address: inputText.value })
  );

  clearButton.addEventListener("click", () => {
    clear();
  });

  clear();
}

function clear() {
  marker.setMap(null);
  responseDiv.style.display = "none";
}

function geocode(request: google.maps.GeocoderRequest): void {
  clear();

  geocoder
    .geocode(request)
    .then((result) => {
      const { results } = result;

      map.setCenter(results[0].geometry.location);
      marker.setPosition(results[0].geometry.location);
      marker.setMap(map);
      responseDiv.style.display = "block";
      response.innerText = JSON.stringify(result, null, 2);
      return results;
    })
    .catch((e) => {
      alert("Geocode was not successful for the following reason: " + e);
    });
}

declare global {
  interface Window {
    initMap: () => void;
  }
}
window.initMap = initMap;

let map;
let marker;
let geocoder;
let responseDiv;
let response;

function initMap() {
  map = new google.maps.Map(document.getElementById("map"), {
    zoom: 8,
    center: { lat: -34.397, lng: 150.644 },
    mapTypeControl: false,
  });
  geocoder = new google.maps.Geocoder();

  const inputText = document.createElement("input");

  inputText.type = "text";
  inputText.placeholder = "Enter a location";

  const submitButton = document.createElement("input");

  submitButton.type = "button";
  submitButton.value = "Geocode";
  submitButton.classList.add("button", "button-primary");

  const clearButton = document.createElement("input");

  clearButton.type = "button";
  clearButton.value = "Clear";
  clearButton.classList.add("button", "button-secondary");
  response = document.createElement("pre");
  response.id = "response";
  response.innerText = "";
  responseDiv = document.createElement("div");
  responseDiv.id = "response-container";
  responseDiv.appendChild(response);

  const instructionsElement = document.createElement("p");

  instructionsElement.id = "instructions";
  instructionsElement.innerHTML =
    "<strong>Instructions</strong>: Enter an address in the textbox to geocode or click on the map to reverse geocode.";
  map.controls[google.maps.ControlPosition.TOP_LEFT].push(inputText);
  map.controls[google.maps.ControlPosition.TOP_LEFT].push(submitButton);
  map.controls[google.maps.ControlPosition.TOP_LEFT].push(clearButton);
  map.controls[google.maps.ControlPosition.LEFT_TOP].push(instructionsElement);
  map.controls[google.maps.ControlPosition.LEFT_TOP].push(responseDiv);
  marker = new google.maps.Marker({
    map,
  });
  map.addListener("click", (e) => {
    geocode({ location: e.latLng });
  });
  submitButton.addEventListener("click", () =>
    geocode({ address: inputText.value }),
  );
  clearButton.addEventListener("click", () => {
    clear();
  });
  clear();
}

function clear() {
  marker.setMap(null);
  responseDiv.style.display = "none";
}

function geocode(request) {
  clear();
  geocoder
    .geocode(request)
    .then((result) => {
      const { results } = result;

      map.setCenter(results[0].geometry.location);
      marker.setPosition(results[0].geometry.location);
      marker.setMap(map);
      responseDiv.style.display = "block";
      response.innerText = JSON.stringify(result, null, 2);
      return results;
    })
    .catch((e) => {
      alert("Geocode was not successful for the following reason: " + e);
    });
}

window.initMap = initMap;

/* 
 * Always set the map height explicitly to define the size of the div element
 * that contains the map. 
 */
#map {
  height: 100%;
}

/* 
 * Optional: Makes the sample page fill the window. 
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

input[type=text] {
  background-color: #fff;
  border: 0;
  border-radius: 2px;
  box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
  margin: 10px;
  padding: 0 0.5em;
  font: 400 18px Roboto, Arial, sans-serif;
  overflow: hidden;
  line-height: 40px;
  margin-right: 0;
  min-width: 25%;
}

input[type=button] {
  background-color: #fff;
  border: 0;
  border-radius: 2px;
  box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
  margin: 10px;
  padding: 0 0.5em;
  font: 400 18px Roboto, Arial, sans-serif;
  overflow: hidden;
  height: 40px;
  cursor: pointer;
  margin-left: 5px;
}
input[type=button]:hover {
  background: rgb(235, 235, 235);
}
input[type=button].button-primary {
  background-color: #1a73e8;
  color: white;
}
input[type=button].button-primary:hover {
  background-color: #1765cc;
}
input[type=button].button-secondary {
  background-color: white;
  color: #1a73e8;
}
input[type=button].button-secondary:hover {
  background-color: #d2e3fc;
}

#response-container {
  background-color: #fff;
  border: 0;
  border-radius: 2px;
  box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
  margin: 10px;
  padding: 0 0.5em;
  font: 400 18px Roboto, Arial, sans-serif;
  overflow: hidden;
  overflow: auto;
  max-height: 50%;
  max-width: 90%;
  background-color: rgba(255, 255, 255, 0.95);
  font-size: small;
}

#instructions {
  background-color: #fff;
  border: 0;
  border-radius: 2px;
  box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
  margin: 10px;
  padding: 0 0.5em;
  font: 400 18px Roboto, Arial, sans-serif;
  overflow: hidden;
  padding: 1rem;
  font-size: medium;
}

<html>
  <head>
    <title>Geocoding Service</title>

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <div id="map"></div>

    <!-- 
      The `defer` attribute causes the script to execute after the full HTML
      document has been parsed. For non-blocking uses, avoiding race conditions,
      and consistent behavior across browsers, consider loading using Promises. See
      https://developers.google.com/maps/documentation/javascript/load-maps-js-api
      for more information.
      -->
    <script
      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"
      defer
    ></script>
  </body>
</html>

Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.

  git clone -b sample-geocoding-simple https://github.com/googlemaps/js-samples.git
  cd js-samples
  npm i
  npm start

Other samples can be tried by switching to any branch beginning with sample-SAMPLE_NAME.

  git checkout sample-SAMPLE_NAME
  npm i
  npm start

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-07-02 UTC.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-02 UTC."],[[["This example demonstrates geocoding and reverse geocoding on a map using the Google Maps JavaScript API."],["Users can enter an address in a text field to geocode or click on the map for reverse geocoding."],["The map will pan to the geocoded location and display a marker."],["The sample provides code in both JavaScript and TypeScript."]]],[]]

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